![](https://image.tmdb.org/t/p/original/vWtGqiUP4T8JHJIHf4PqyJlwmxZ.jpg)
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Search for an Unknown Client - Part One
The I.B. are confronted by a case of 'the worst kind of smuggling'. Campbell puts Ross McInnes on the trail of the client concerned. Ross traces him as far as the Inner Hebrides but arrives too late. It seems he cannot pursue the case any further - it's a dead end. He returns to report his failure to a furious Campbell.
Stars:
![](https://image.tmdb.org/t/p/w300/vWtGqiUP4T8JHJIHf4PqyJlwmxZ.jpg)
Other episodes for this season
![Sentimental Value](https://image.tmdb.org/t/p/w300/vWtGqiUP4T8JHJIHf4PqyJlwmxZ.jpg)
![Search for an Unknown Client - Part One](https://image.tmdb.org/t/p/w300/vWtGqiUP4T8JHJIHf4PqyJlwmxZ.jpg)
![Search for an Unknown Client - Part Two](https://image.tmdb.org/t/p/w300/vWtGqiUP4T8JHJIHf4PqyJlwmxZ.jpg)
![I'd Rather be in Philadelphia](https://image.tmdb.org/t/p/w300/vWtGqiUP4T8JHJIHf4PqyJlwmxZ.jpg)
![A Drop of What You Fancy](https://image.tmdb.org/t/p/w300/vWtGqiUP4T8JHJIHf4PqyJlwmxZ.jpg)
![Funny Sort of Criminal](https://image.tmdb.org/t/p/w300/vWtGqiUP4T8JHJIHf4PqyJlwmxZ.jpg)
![Little Rich Girl](https://image.tmdb.org/t/p/w300/vWtGqiUP4T8JHJIHf4PqyJlwmxZ.jpg)
![Combined Operations](https://image.tmdb.org/t/p/w300/vWtGqiUP4T8JHJIHf4PqyJlwmxZ.jpg)
![Family Affair](https://image.tmdb.org/t/p/w300/vWtGqiUP4T8JHJIHf4PqyJlwmxZ.jpg)
![The Gentle Bootlegger](https://image.tmdb.org/t/p/w300/vWtGqiUP4T8JHJIHf4PqyJlwmxZ.jpg)
![The Big Feller](https://image.tmdb.org/t/p/w300/vWtGqiUP4T8JHJIHf4PqyJlwmxZ.jpg)
![A Sense of Justice](https://image.tmdb.org/t/p/w300/vWtGqiUP4T8JHJIHf4PqyJlwmxZ.jpg)